RT8271
Parameter
EN Input Voltage
Logic High
Logic Low
I
SHDN
I
Q
T
SD
V
EN
= 0V
V
EN
= 0V
V
EN
= 2V, V
FB
= 1V
C
SS
= 10nF
Symbol
Test Conditions
Min
1.4
--
--
--
--
--
--
Typ
--
--
1
22
0.6
1
150
Max
5.5
0.4
--
36
1
--
--
Unit
V
μA
μA
mA
ms
°C
Enable Pull Up Current
Shutdown Current
Quiescent Current
Soft-Start Period
Thermal Shutdown
Note 1.
Stresses listed as the above "Absolute Maximum Ratings" may cause permanent damage to the device. These are for
stress ratings. Functional operation of the device at these or any other conditions beyond those indicated in the
operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended
periods may remain possibility to affect device reliability.
Note 2.
θ
JA
is measured in the natural convection at T
A
= 25°C on a high effective thermal conductivity four layers test board of
JEDEC 51-7 thermal measurement standard. The case point of
θ
JC
is on the expose pad for MSOP-10 (Exposed Pad)
package.
Note 3.
Devices are ESD sensitive. Handling precaution is recommended.
Note 4.
The device is not guaranteed to function outside its operating conditions.
DS8271-02 March 2011
www.richtek.com
5
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
